DE69123967T2 - HYDRAULIC DRIVE SYSTEM FOR CONSTRUCTION MACHINES - Google Patents

HYDRAULIC DRIVE SYSTEM FOR CONSTRUCTION MACHINES

Info

Publication number
DE69123967T2
DE69123967T2 DE69123967T DE69123967T DE69123967T2 DE 69123967 T2 DE69123967 T2 DE 69123967T2 DE 69123967 T DE69123967 T DE 69123967T DE 69123967 T DE69123967 T DE 69123967T DE 69123967 T2 DE69123967 T2 DE 69123967T2
Authority
DE
Germany
Prior art keywords
drive system
hydraulic drive
construction machines
machines
construction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69123967T
Other languages
German (de)
Other versions
DE69123967D1 (en
Inventor
Toichi Hirata
Hiroshi Onoue
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Publication of DE69123967D1 publication Critical patent/DE69123967D1/en
Application granted granted Critical
Publication of DE69123967T2 publication Critical patent/DE69123967T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
    • E02F9/12—Slewing or traversing gears
    • E02F9/121—Turntables, i.e. structure rotatable about 360°
    • E02F9/128—Braking systems
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
    • E02F9/12—Slewing or traversing gears
    • E02F9/121—Turntables, i.e. structure rotatable about 360°
    • E02F9/123—Drives or control devices specially adapted therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
    • F01P5/04—Pump-driving arrangements
    • F01P5/043—Pump reversing arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
DE69123967T 1990-04-02 1991-04-02 HYDRAULIC DRIVE SYSTEM FOR CONSTRUCTION MACHINES Expired - Fee Related DE69123967T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8498690 1990-04-02
PCT/JP1991/000440 WO1991015636A1 (en) 1990-04-02 1991-04-02 Hydraulic drive system in civil engineering-construction machine

Publications (2)

Publication Number Publication Date
DE69123967D1 DE69123967D1 (en) 1997-02-13
DE69123967T2 true DE69123967T2 (en) 1997-05-22

Family

ID=13845945

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69123967T Expired - Fee Related DE69123967T2 (en) 1990-04-02 1991-04-02 HYDRAULIC DRIVE SYSTEM FOR CONSTRUCTION MACHINES

Country Status (5)

Country Link
US (1) US5285643A (en)
EP (1) EP0537349B1 (en)
KR (1) KR950008728B1 (en)
DE (1) DE69123967T2 (en)
WO (1) WO1991015636A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994001682A1 (en) * 1992-07-14 1994-01-20 Hitachi Construction Machinery Co., Ltd. Inertial body driving unit
JPH06173299A (en) * 1992-12-02 1994-06-21 Komatsu Ltd Turning hydraulic circuit for construction machine
FR2699609B1 (en) * 1992-12-22 1995-02-10 Hydromo Method and device for setting in motion or stopping a hydraulic motor driving an assembly with high inertia.
KR100302865B1 (en) * 1996-04-30 2001-11-22 토니헬샴 Device for driving of hydraulic motor
JP3455369B2 (en) * 1996-06-26 2003-10-14 日立建機株式会社 Front control device for construction machinery
JPH1068142A (en) * 1996-08-28 1998-03-10 Shin Caterpillar Mitsubishi Ltd Cooling device of construction machinery
JP3884178B2 (en) * 1998-11-27 2007-02-21 日立建機株式会社 Swing control device
CA2279435A1 (en) * 1999-07-30 2001-01-30 Michael Alexander Duff Linear actuator
JP5872363B2 (en) * 2012-03-30 2016-03-01 住友建機株式会社 Swing control device
US20140208728A1 (en) * 2013-01-28 2014-07-31 Caterpillar Inc. Method and Hydraulic Control System Having Swing Motor Energy Recovery
WO2021142826A1 (en) * 2020-01-19 2021-07-22 徐工集团工程机械股份有限公司 Method for controlling vibration of boom, device, and engineering machinery
CN112942479B (en) * 2021-01-28 2022-07-19 三一重机有限公司 Highway-railway dual-purpose excavator walking driving system and highway-railway dual-purpose excavator

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1293931A (en) * 1969-02-18 1972-10-25 Dowty Hydraulic Units Ltd Hydraulic apparatus
JPS609092Y2 (en) * 1978-11-28 1985-04-01 株式会社小松製作所 Inching brake control circuit for hydraulically driven vehicles
JPS5725570A (en) * 1980-07-21 1982-02-10 Kawasaki Heavy Ind Ltd Prevention valve against sway back of inertia body
US4694647A (en) * 1986-03-28 1987-09-22 Kabushiki Kaisha Komatsu Seisakusho Hydraulic circuit system for use in hydraulically operated vehicles
JPH064975B2 (en) * 1986-09-04 1994-01-19 日立建機株式会社 Running hydraulic pressure control device for hydraulically driven vehicle
JPH076525B2 (en) * 1987-01-09 1995-01-30 株式会社神戸製鋼所 Swing hydraulic circuit of construction machinery
JPH01105062A (en) * 1987-10-14 1989-04-21 Honda Motor Co Ltd Control device for vehicle continuously variable transmission
EP0319089B1 (en) * 1987-11-28 1995-03-15 Hitachi Construction Machinery Co., Ltd. Safety device for hydraulic closed circuit
EP0410053B1 (en) * 1989-07-26 1993-11-03 Kabushiki Kaisha Kobe Seiko Sho Method of controlling the slewing operation of a slewing mechanism and a hydraulic control system for carrying out the same
JP2600009B2 (en) * 1990-04-25 1997-04-16 株式会社神戸製鋼所 Crane turning control device

Also Published As

Publication number Publication date
EP0537349B1 (en) 1997-01-02
KR920701584A (en) 1992-08-12
US5285643A (en) 1994-02-15
DE69123967D1 (en) 1997-02-13
KR950008728B1 (en) 1995-08-04
EP0537349A4 (en) 1993-02-01
WO1991015636A1 (en) 1991-10-17
EP0537349A1 (en) 1993-04-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee